/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.runtime.metrics.scope;

import org.apache.flink.api.common.ConsumerID;
import org.apache.flink.runtime.metrics.groups.ConsumerManagerMetricGroup;

/** The scope format for the {@link org.apache.flink.runtime.metrics.groups.ConsumerMetricGroup}. */
public class ConsumerManagerConsumerScopeFormat extends ScopeFormat {

    public ConsumerManagerConsumerScopeFormat(String format, ConsumerManagerScopeFormat parentFormat) {
        super(format, parentFormat, new String[] {SCOPE_HOST, SCOPE_JOB_ID, SCOPE_JOB_NAME});
    }

    public String[] formatScope(ConsumerManagerMetricGroup parent, ConsumerID consumerId, String consumerName) {
        final String[] template = copyTemplate();
        final String[] values = {parent.hostname(), valueOrNull(consumerId), valueOrNull(consumerName)};
        return bindVariables(template, values);
    }
}
